2018493904

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{673}}^1$

素因数の和:1188

約数の個数: 80

約数和(自身を含む): 4559906560

約数和(自身を除く): 2541412656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 439, 488, 673, 854, 878, 976, 1346, 1708, 1756, 2692, 3073, 3416, 3512, 4711, 5384, 6146, 6832, 7024, 9422, 10768, 12292, 18844, 24584, 26779, 37688, 41053, 49168, 53558, 75376, 82106, 107116, 164212, 187453, 214232, 287371, 295447, 328424, 374906, 428464, 574742, 590894, 656848, 749812, 1149484, 1181788, 1499624, 2068129, 2298968, 2363576, 2999248, 4136258, 4597936, 4727152, 8272516, 16545032, 18022267, 33090064, 36044534, 72089068, 126155869, 144178136, 252311738, 288356272, 504623476, 1009246952, 2018493904]

約数ペア:

[(1, 2018493904), (2, 1009246952), (4, 504623476), (7, 288356272), (8, 252311738), (14, 144178136), (16, 126155869), (28, 72089068), (56, 36044534), (61, 33090064), (112, 18022267), (122, 16545032), (244, 8272516), (427, 4727152), (439, 4597936), (488, 4136258), (673, 2999248), (854, 2363576), (878, 2298968), (976, 2068129), (1346, 1499624), (1708, 1181788), (1756, 1149484), (2692, 749812), (3073, 656848), (3416, 590894), (3512, 574742), (4711, 428464), (5384, 374906), (6146, 328424), (6832, 295447), (7024, 287371), (9422, 214232), (10768, 187453), (12292, 164212), (18844, 107116), (24584, 82106), (26779, 75376), (37688, 53558), (41053, 49168)]